.TH "DAHDI_MAINT" "8" "9 Sep 2011" "" ""

.SH NAME
dahdi_maint \- Sets Dahdi spans into maintenance mode, e.g.: loopback
.SH SYNOPSIS

.B dahdi_maint \-s \fInum\fB [options]
.B dahdi_maint <\-h|\-\-help> 

.SH DESCRIPTION

dahdi_maint uses the DAHDI_MAINT interface to set a Dahdi span (port
of a Dahdi adapter card) into loopback mode or similar maintenance mode.

.SH OPTIONS
.B \-s \-\-span \fInum\fR
.RS
The span number. Required.
.RE

.B \-l \-\-loopback <localhost|networkline|networkpayload|loopup|loopdown|off>
.RS
Loopback type. One of:
.IP localhost 4
loop back towards host
.IP networkline 4
network line loopback
.IP networkpayload 4
network payload loopback
.IP loopup 4
transmit loopup signal
.IP loopdown 4
transmit loopdown signal
.IP off 4
end loopback mode
.RE

.B \-i \-\-insert <fas|multi|crc|cas|prbs|bipolar>
.RS
Insert an error of a specific type
.RE

.SH EXAMPLES
Enable network line loopback on span 1:

  dahdi_maint \-s 1 \-\-loopback networkline

Disable network line loopback on span 1:

  dahdi_maint \-s 1 \-\-loopback off


.SH SEE ALSO
.PP
dahdi_tool(8), dahdi_cfg(8), asterisk(8).

.SH AUTHOR
.PP
This manual page was written by Tzafrir Cohen <tzafrir.cohen@xorcom.com>.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU General Public License, Version 2 any later
version published by the Free Software Foundation.
